Watch how the Space Launch System rocket RS-25 undergoes a core stage engine test-fire. Credit: NASA's Stennis Space Center ...

General Atomics Electromagnetic Systems (GA-EMS) has successfully tested the nuclear fuel that may one day propel and power the spacecraft of the future. The trials verify that the fuel can survive ...

This weekly newsletter on rockets provides definitive coverage of the global launch industry. The big news this week is the ...

German launch startup Rocket Factory Augsburg has taken a step towards a first launch by gaining a first-ever license to ...

General Atomic's new nuclear fuel was subjected to the maximum heat of a reactor for 20 minutes in the latest tests.

“The final test achieved a fantastic 6,000 Newtons of thrust, breaking the previous record set by the University of Sheffield ...

A Houston-based company is attempting to break past Mach 5 — and it's broadening its scope beyond just commercial flights, thanks to new investors.

Angry Astronaut and Nextbigfuture commenter are making the case that SpaceX and Elon Musk must switch to nuclear thermal rockets to colonize Mars. I will ...

The Indian Space Research Organisation (ISRO) has successfully demonstrated the restart capability of its liquid-fueled ...

Stoke Space just landed $260 million to disrupt the reusable rocket industry. The Kent, Washington-based rocket launch ...

One just launched the world’s biggest rocket, with mixed success. The other makes small model rockets for hobbyists, and it's ...

Isro successfully demonstrated the restart capability of its Vikas liquid engine, crucial for future reusable rocket stages, ...